UE4 will launch your new Blueprint project without any additional steps.
Congratulations! You've just created a new Blueprint project from UE4 with the help of a Blueprint project template.
Creating any type of Blueprint project, with or without a project template, is now within your reach. There are times;
however, when you'll want to create and modify the source code driving
your game. In the next section, we'll show you how to create a new CPP project from UE4.